What are the related, vertical, horizontal and unrelated acquisitions made by Tata Motors across the globe. Also mention the date of announcement and date of implementation of these mergers and acquisitions.

How about the Stock market reaction(during acquisition period in India) - compare 3-days average share price of the company before M&A announcement with the 3-days average share price from the date of announcement (rate the change in the stock price - from -5 to +5).

Reference Here is the list of global acquisitions made by Tata Motors - Jaguar Land Rover, Nissan Motors, Nissan, Daewoo Commercial Vehicle Company, Hispano Carrocera, Miljo Grenland-Innovasjon , TML Driveline and Trlix Srl.